import store from '@/store'
import config from '@/config'
import {
	getToken
} from '@/utils/auth'
import errorCode from '@/utils/errorCode'
import {
	toast,
	showConfirm,
	tansParams
} from '@/utils/common'


let timeout = 10000
const baseUrl = config.baseUrl
let platform = uni.getSystemInfoSync().uniPlatform
// const baseUrl = platform === 'web' ? '/api' : config.baseUrl

const request = config => {
	// 是否需要设置 token
	const isToken = (config.headers || {}).isToken === false
	config.header = config.header || {}
	let token = store.state.user.token
	if (token && !isToken) {
		config.header['Authorization'] = 'Bearer ' + token
	}

	// get请求映射params参数
	if (config.params) {
		let url = config.url + '?' + tansParams(config.params)
		url = url.slice(0, -1)
		config.url = url
	}
	return new Promise((resolve, reject) => {

		let nonce = randomString(32)
		let timeStamp = new Date().getTime()
		let body = ''
		let key = 'YKHC53FAB18FE364'
		let iv = '63A6B8473FAF4273'
		let method = config.method.toUpperCase()
		if (method === 'GET' || method === 'DEL') {
			body = encryption(JSON.stringify(config.params), key, iv)
		} else {
			body = encryption(JSON.stringify(config.data), key, iv)
		}

		let ystr = {
			nonce: nonce,
			body: body,
			timestamp: timeStamp,
		}
		let keys = Object.keys(ystr).sort()
		// keys = keys.map(item => item.toLowerCase())
		let sortedData = sortData(ystr);

		let str = keys.map(key => `${key}=${sortedData[key]}`).join('&');

		str = 'appkey=YKHC53FAB18FE364&' + str + 'appsecret=63A6B8473FAF4273'



		let signature = CryptoJS.MD5(str).toString().toUpperCase();

		// console.log('str-sign', signature);

		let data = {
			appKey: 'YKHC53FAB18FE364',
			nonce: nonce,
			timeStamp,
			sign: signature,
			body
		}

		let white = ['/appletApi/generateImgUrl']
		// white.includes(config.url) ? config.data : data
		uni.request({
				method: config.method || 'get',
				timeout: config.timeout || timeout,
				url: config.baseUrl || baseUrl + config.url,
				data: config.data,
				header: config.header,
				dataType: 'json'
			}).then(response => {
				// console.log('response',response);
				let [error, res] = response
				if (error) {
					toast('后端接口连接异常')
					reject('后端接口连接异常')
					return
				}
				const code = res.data.code || 200
				const msg = errorCode[code] || res.data.msg || errorCode['default']
				if (code === 401) {
					showConfirm('登录状态已过期，您可以继续留在该页面，或者重新登录?').then(res => {
						if (res.confirm) {
							store.dispatch('LogOut').then(res => {
								uni.reLaunch({
									url: '/pages/login'
								})
							})
						}
					})
					reject('无效的会话，或者会话已过期，请重新登录。')
				} else if (code === 500) {
					toast(msg)
					reject('500')
				} else if (code !== 200) {
					toast(msg)
					reject(code)
				}
				resolve(res.data)
			})
			.catch(error => {
				let {
					message
				} = error
				if (message === 'Network Error') {
					message = '后端接口连接异常'
				} else if (message.includes('timeout')) {
					message = '系统接口请求超时'
				} else if (message.includes('Request failed with status code')) {
					message = '系统接口' + message.substr(message.length - 3) + '异常'
				}
				toast(message)
				reject(error)
			})
	})
}

export default request